Finding the Fourth Proportional to 271,991.12, 375,325.73 and 157,277.19
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Solution
The fourth proportional to 271,991.12, 375,325.73 and 157,277.19 is: 217,029.80
Step by Step Solution
- Step 1: Write the proportion equation
271,991.12 : 375,325.73 = 157,277.19 : x - Step 2: Convert to fraction form
271,991.12/375,325.73 = 157,277.19/x - Step 3: Cross multiply
271,991.12x = 375,325.73 × 157,277.19 - Step 4: Simplify right side
271,991.12x = 59,030,176,917.63 - Step 5: Solve for x
x = 59,030,176,917.63/271,991.12 - Step 6: Final answer
x = 217,029.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.